package com.smgeek.gkrpc;

import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;

import java.lang.reflect.Method;
import java.util.Arrays;

/**
 * @ClassName ServiceDescriptor
 * @Author wuyuyang
 * @Date 2022/1/5 17:23
 * @Description ServiceDescriptor  表示服务
 * @Version 1.0
 */
@Data
@AllArgsConstructor
@NoArgsConstructor
public class ServiceDescriptor {
    private String clazz;
    private String method;
    private String returnType;
    private String[] parameterTypes;


    public static ServiceDescriptor from(Class clazz, Method method){
        ServiceDescriptor sdp = new ServiceDescriptor() ;
        sdp.setClazz(clazz.getName());
        sdp.setMethod(method.getName());
        sdp.setReturnType(method.getReturnType().getName());

        Class<?>[] parameterClasses =  method.getParameterTypes();
        String[] parameterTypes = new String[parameterClasses.length];
        for (int i = 0; i<parameterClasses.length; i++){
            parameterTypes[i] = parameterClasses[i].getName();
        }
        sdp.setParameterTypes(parameterTypes);
        return  sdp;
    }

    @Override
    public boolean equals(Object o) {
        if(this == o) return true;
        if(o==null || getClass() != o.getClass()) return false;

        ServiceDescriptor that = (ServiceDescriptor) o;
        return this.toString().equals(that.toString());
    }



    @Override
    public int hashCode() {
        return toString().hashCode();
    }
    @Override
    public String toString() {
        return "ServiceDescriptor{" +
                "clazz='" + clazz + '\'' +
                ", method='" + method + '\'' +
                ", returnType='" + returnType + '\'' +
                ", paramTypes=" + Arrays.toString(parameterTypes) +
                '}';
    }


}
